This is a safety and useful gadget， with this magnetic cell phone holder， you can easy put your phone， GPS and other digital devices to the place where you think suitable， such as the dashboard in your car， the desk in your office.The build-in super strong neodymium-iron-boron magnet will firmly adsorb your phone device， never worried of falling even driving on a rough road.It's portable but flexible car mount， support 360 degree rotating. It's not only a useful phone mount， but also a exquisite decoration in your car.The magnet will not harm your mobile phone. It's neither affect the communication quality， nor increase the consumption of the battery. Even so， you'd better leave your credit card half-meter away from this magnet mount.Three helpful suggestions: Use double phone mounts for your larger device such as 9.7 inch iPad; The 3M adhesive will be used only once， please find a good position before sticking， of course， one more adhesive will be offered in case of replacing; Wait half hour at the first time you paste the phone mount in your car， that will make the 3M adhesive more firmly.